ld the size of parachute required on a space probe to allow it to land safetly on venus which has a thick atmosphere
Venus has a very thick atmosphere. Even though it is similar size to Earth, no one could survive on Venus' surface as the atmosphere has a much higher pressure meaning that we would be crushed and burned!
Earth's atmosphere is 25 miles thick form ground level to the edge of space. If you imagine earth as the size of an apple, the atmosphere is a much thinner layer than the skin of the apple.
The atmosphere of Venus is very thick, and a parachute would have much greater drag for a given size, than on Earth or Mars. So it could be smaller to achieve the same slowing of a space probe's descent. On Mars, a larger parachute would be required, but fortunately Mars, being a smaller planet, has much less gravity than Earth, so the parachute does not have to resist the same acceleration force (which is roughly the same on Venus as on Earth).
Mars, It has a thin atmosphere of carbon dioxide. Earth and Venus have relatively thick atmospheres due to their larger size, while Mercury's mass is not large enough to sustain any stable atmosphere.
A parachute that would function on Mars would have to be very large, much larger than one used in Earth's atmosphere, because the atmospheric pressure on Mars is much lower. The surface pressure is only about 600 pascals, about 1/160th the sea level pressure on Earth. The thinner the atmosphere, the less force exerted against the parachute as it slows a falling craft. Some Mars probes are designed to use retro-rockets and inflatable cushioning bags, to supplement their parachutes.
Venus is the same size as Earth and has no moons and has a thick atmosphere of mostly carbon dioxide.
Venus has a very thick atmosphere. Even though it is similar size to Earth, no one could survive on Venus' surface as the atmosphere has a much higher pressure meaning that we would be crushed and burned!
Earth's atmosphere is 25 miles thick form ground level to the edge of space. If you imagine earth as the size of an apple, the atmosphere is a much thinner layer than the skin of the apple.
The atmosphere of Venus is very thick, and a parachute would have much greater drag for a given size, than on Earth or Mars. So it could be smaller to achieve the same slowing of a space probe's descent. On Mars, a larger parachute would be required, but fortunately Mars, being a smaller planet, has much less gravity than Earth, so the parachute does not have to resist the same acceleration force (which is roughly the same on Venus as on Earth).
This doesn't seem likely. The reason it doesn't have a thick atmosphere in the first place is because of its small size (1122 km, if you mean the moon of Saturn); this makes for a weak gravitational field, and any atmosphere it might ever acquire will evaporate into space rather quickly.
The atmosphere of Venus is very thick, and a parachute would have much greater drag for a given size, than on Earth or Mars. So it could be smaller to achieve the same slowing of a space probe's descent. On Mars, a larger parachute would be required, but fortunately Mars, being a smaller planet, has much less gravity than Earth, so the parachute does not have to resist the same acceleration force (which is roughly the same on Venus as on Earth).
Due to their large size and proportionately high gravity, the atmospheres of these planets are quite thick.
Mars, It has a thin atmosphere of carbon dioxide. Earth and Venus have relatively thick atmospheres due to their larger size, while Mercury's mass is not large enough to sustain any stable atmosphere.
Wouldn't work since there is no air at all. Edit: The atmosphere is thin, but there's enough to make a parachute work. We know this because some space probes have used parachutes to land on Mars. Sorry, I don't know what size they used.
The sun would be just a bright point of light. the size of four capital O's together probably
It Has Thick Atmosphere People! Hey, I Bet Your Lookin This Up Because Your Doing A Science Project. Arent You? ;)
You will need to know the actual size of the balloon as the bigger its inflated the more gas volume required.